From d69833c1e5b28f595c7ddaf7aa9e1833fd2d12a4 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sat, 19 Sep 2026 15:10:57 +0800
Subject: [PATCH] =?UTF-8?q?javaEEday05-=E5=88=86=E5=B1=82=E8=A7=A3?=
 =?UTF-8?q?=E8=80=A6-IOC&DI-=E5=85=A5=E9=97=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../src/main/java/com/inmind/controller/EmpController.java  | 4 +++-
 .../src/main/java/com/inmind/dao/impl/EmpDaoImplA.java      | 2 ++
 .../main/java/com/inmind/service/impl/EmpServiceImplA.java  | 6 +++++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java b/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java
index 1e68673..6cee1a7 100644
--- a/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java
+++ b/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java
@@ -5,6 +5,7 @@ import com.inmind.pojo.Result;
 import com.inmind.service.EmpService;
 import com.inmind.service.impl.EmpServiceImplA;
 import com.inmind.utils.XmlParserUtils;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -13,7 +14,8 @@ import java.util.List;
 @RestController
 public class EmpController {
     //设置一个员工业务对象
-    private EmpService empService = new EmpServiceImplA();
+    @Autowired//运行时，IOC容器会提供该类型的bean对象，并赋值给该变量----依赖注入
+    private EmpService empService ;
 
     @RequestMapping("/listEmp")
     public Result listEmp(){
diff --git a/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoImplA.java b/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoImplA.java
index f323783..f9d9f8e 100644
--- a/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoImplA.java
+++ b/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoImplA.java
@@ -3,9 +3,11 @@ package com.inmind.dao.impl;
 import com.inmind.dao.EmpDao;
 import com.inmind.pojo.Emp;
 import com.inmind.utils.XmlParserUtils;
+import org.springframework.stereotype.Component;
 
 import java.util.List;
 
+@Component //将当前类交给IOC容器管理，让它称为IOC容器中的bean对象---IOC控制反转
 public class EmpDaoImplA implements EmpDao {
     @Override
     public List<Emp> listEmp() {
diff --git a/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplA.java b/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplA.java
index 9d05496..1101634 100644
--- a/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplA.java
+++ b/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplA.java
@@ -4,12 +4,16 @@ import com.inmind.dao.EmpDao;
 import com.inmind.dao.impl.EmpDaoImplA;
 import com.inmind.pojo.Emp;
 import com.inmind.service.EmpService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
 
 import java.util.List;
 
+@Component //将当前类交给IOC容器管理，让它称为IOC容器中的bean对象---IOC控制反转
 public class EmpServiceImplA implements EmpService {
     //设置一个dao的成员变量
-    private EmpDao empDao = new EmpDaoImplA();
+    @Autowired//运行时，IOC容器会提供该类型的bean对象，并赋值给该变量----依赖注入
+    private EmpDao empDao ;
 
     @Override
     public List<Emp> listEmp() {